Hook to be attached to an excavator bucket



FIG. 1 is a front elevational view of a hook to be attached to an excavator bucket showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is left side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a hook to be attached to an excavator bucket, as shown. 